two years ago, zach smith and brittany laughlin started gtrot as a class project while studying at harvard. it now has nearly 15,000 subscribers by focusing on the social media explosion. >> we know what works in social and what doesn't, and so the instant personalization thing is something we're really excited about that we haven't seen anyone else doing. >> reporter: it's no wonder these entrepreneurs are betting on travel online. even in a struggling economy, online travel is expected to grow 10% this year to more than $100 billion. >> tom: the entire travel business has rebounded this year back to 2006 spending levels. almost four cents of every 40 cents travel dollar is spent online. that's "nightly business report" for this wednesday, november 23. i'm tom hudson. on behalf of everyone here at n.b.r., good night and have a happy thanksgiving. "nightly business report" is made possible by:

today, investigators matt jenna and zach smith are searching for one particular gang member.e was last seen waving a gun at women and children on a neighborhood block. >> he have oen a bicycle and pulled a gun. he's got his crew with him face to face. holding a gun, i'm telling them watch out, pushing them and they were playing ball. >> he was pointing it at you? >> he was pointing it at them and when i said something he pointed it at me. i was trying to keep the kids from getting shot, them little babies. i tripped. my foot swelling right here, see? i was trying to push the neighborhood kids and my kids. >> you did the right thing. they really can't run that far. this town is not that big. >> somebody always hiding them. >> jenna and smith know the alleged gunman well. we'll come him booth to maintain his anonymity. because he's affiliated with a gang, most residents won't turn him in. >> they hiding him because they're scared. i'm not scared. >> he was popping off and thankfully he jammed. >> i'm tired of this, no guns. >> i'll be back around and we'll be heavy in the area